EB-GS2971
Evalu
a
tion B
o
ard
User Gu
ide
52169 - 2
Jun
e 2012
11 o
f 22
Prop
ri
eta
ry
& Co
nfide
n
tial
2.3 GS2971 Schemati
c
Fig
u
re 2-
3:
GS
29
71
S
ch
emati
c
A
UDIO
_
E
N/DIS
b
Pin _
c
tr
l7
TP
1
8
Y
1
C
S
10-27.
000M
C4
3
1
6
p
C4
4
1
6
p
IOPR
OC
_EN
/D
IS
b
Pin _
c
tr
l6
A_GN
D
C1
8
22u
VI
D
_
D
A
T
_
Out
4
J
T
A
G/
H
OST
b
Pin _
c
tr
l0
20BI
T
/10BI
T
b
Pin _
c
tr
l5
R
E
SET
A_GN
D
C9
1u
12. I
m
pe
d
an
c
e
c
ontr
o
lle
d
si
g
nal
s (
ref
er
to P
C
B
l
a
y
o
ut
g
ui
d
e)
.
Fl
o
a
ti
n
g
or
+
3
.3V
or
G
N
D
SD
O_EN
/D
IS
b
Pin _
c
tr
l4
R
ESET
8. La
b
le
the
c
onne
c
to
rs
, LE
D
s, D
IP
s
w
it
c
hes
an
d
j
u
m
per
s.
La
b
le
s
o
m
e
c
ri
ti
c
al
s
i
g
nal
s on the
c
onne
c
to
rs
;
R
C
_BY
b
Pin _
c
tr
l3
VI
D
_
D
A
T
_
Out
1
8
VI
D
_
D
A
T
_
Out
3
R2
1
DNP
F
W
_EN
Pin _
c
tr
l2
A_GN
D
S
T
A
NDB
Y
Pin _
c
tr
l1
VI
D
_
D
A
T
_
Out
[19:
0
]
A_GN
D
R7
105R
VI
D
_
D
A
T
_
Out
1
7
IO_VD
D
+
1
.2VA
VI
D
_
D
A
T
_
Out
2
4. S
Q
T
an
d
TM
M
s
e
ri
e
s
c
onne
c
to
rs
a
re
ra
te
d
f
o
r 3A
f
ro
m
2
0
C
-80
C
, w
ith o
p
e
ra
ti
o
n
te
m
p
r
a
n
g
e of
-
65-
+
125C
PC
LK
R1
9
DNP
C
los
e t
o
G
S2971
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R
N
2
742C
163220
H
V
F
[2:
0]
VI
D
_
D
A
T
_
Out
1
6
C
101
470n
C
100
470n
VI
D
_
D
A
T
_
Out
1
+
3
.3VA
D
a
ta
Error
AU
D
IO_Out
[
6
:0
]
VI
D
_
D
A
T
_
Out
1
5
Pin _
c
trl[
10:
0]
VBG
A1
LF
A2
LB_C
ON
T
A3
VCO_VD
D
A4
ST
AT
0
A5
ST
AT
1
A6
ST
AT
2
B5
ST
AT
3
B6
ST
AT
4
C5
ST
AT
5
C6
IO
_VDD
A7
PC
LK
A8
DO
UT
0
K8
DO
UT
1
J
8
DO
UT
2
K9
DO
UT
3
K10
DO
UT
4
J
9
DO
UT
5
J
10
DO
UT
6
H9
DO
UT
7
H1
0
DO
UT
8
F9
DO
UT
9
F1
0
DO
UT
1
0
E9
DO
UT
1
1
E10
DO
UT
1
2
C8
DO
UT
1
3
C1
0
DO
UT
1
4
C9
DO
UT
1
5
B10
DO
UT
1
6
B9
DO
UT
1
7
A10
DO
UT
1
8
A9
DO
UT
1
9
B8
A_VDD
B1
PLL_VDD
B2
A_T
E
ST
B3
VCO_GN
D
B4
IO_
GND
B7
SD
I
C1
A_GND
C2
PLL_VDD
C3
PLL_VDD
C4
R
ESET
C7
SD
I
D1
A_GND
D2
A_GND
D3
PLL_GND
D4
CO
RE_GN
D
D5
CO
RE_VD
D
D6
SW
_EN
D7
J
T
A
G/
H
OST
D8
IO_
GND
D9
IO
_VDD
D10
SDI_
VDD
E1
A_GND
E3
PLL_GND
E4
CO
RE_GN
D
E5
CO
RE_VD
D
E6
SD
OU
T
_
T
D
O
E7
SD
IN
_T
D
I
E8
AGC
+
F1
RS
V
F2
A_GND
F3
PLL_GND
F4
CO
RE_GN
D
F5
CO
RE_VD
D
F6
C
S
_
TMS
F7
SC
LK_T
C
K
F8
AGC
-
G1
A_GND
G2
R
C
_BY
P
G3
CO
RE_GN
D
G4
CO
RE_GN
D
G5
CO
RE_VD
D
G6
SM
PT
E_BY
PASS
G7
D
VB_ASI
G8
IO_
GND
G9
IO
_VDD
G10
BUF_
VD
D
H1
BUF
_GN
D
H2
A
U
DIO
_
E
N/DIS
H3
WCL
K
H4
T
IM
_861
H5
XT
A
L
_
O
U
T
H6
20BI
T
/10BI
T
H7
IOPR
OC
_EN
/D
IS
H8
SD
O
J
1
SD
O_EN
/D
IS
J
2
AOU
T
_1/
2
J
3
AC
LK
J
4
AOU
T
_5/
6
J
5
XT
A
L
2
J
6
IO_
GND
J
7
SD
O
K1
ST
AN
D
B
Y
K2
AOU
T
_3/
4
K3
AM
C
L
K
K4
AOU
T
_7/
8
K5
XT
A
L
1
K6
IO
_VDD
K7
SDI_GN
D
E2
U5
GS2971
C
los
e to G
S2971
Lo
c
k
VI
D
_
D
A
T
_
Out
0
W
C
LK
AU
D
IO_Out
0
R
3
7
22R
AC
LK
AU
D
IO_Out
1
R
3
8
22R
+1
.2
V
5
. I
O
_
V
DD
c
an
b
e +
3
.3V
, w
h
i
c
h
is
s
u
p
p
lie
d
b
y t
h
is
b
oar
d
thr
o
u
g
h a 1-
ohm
j
u
m
p
er
, or
d
if
fe
re
n
t
vo
lt
a
g
e s
u
ppl
ie
d
b
y
t
he out
put
b
oar
d
c
onne
c
te
d
t
o
it
, in
w
h
i
c
h
c
as
e the 1-
ohm
j
u
m
per
s
hal
l
b
e r
e
m
o
v
e
d
;
R2
4
2
2
R
R2
5
2
2
R
VI
D
_
D
A
T
_
Out
1
4
10. A
n
al
o
g
pow
er
an
d
g
ro
u
n
d
i
sol
ati
on
(r
ef
er
to P
C
B
l
a
y
o
ut
g
ui
d
e)
.
9. M
ini
m
u
m
of
3x
t
ra
c
e w
i
d
th s
p
a
c
in
g
f
o
r DO
UT
1
0
~
1
9
, P
C
L
K
;
11. C
ri
ti
tal
3G
s
i
g
nal
l
a
y
out (
ref
er
to P
C
B
l
a
y
o
ut
g
ui
d
e)
;
SC
LK
GSPI
1
SD
IN
GSPI
2
SD
OU
T
GSPI
3
CS
0
GSPI
0
Lo
c
k
+3
.3
V
A
Da
ta
E
rr
o
r
C5
1
1u
R4
2
7
5
R
L3
6n2
R4
5
75R
R4
6
37R
4
C4
9
1u
A_GN
D
VI
D
_
D
A
T
_
Out
1
3
VI
D
_
D
A
T
_
Out
1
1
G
S
2971 P
o
w
e
r D
e
c
ouplin
g
&
F
ilt
er
in
g
VI
D
_
D
A
T
_
Out
1
2
VI
D
_
D
A
T
_
Out
1
0
1
2
3
J
P7
TP
7
7
. Us
e
B
NC
g
roun
d
as
the
g
roun
d
tes
t p
o
in
ts
;
VC
C
_1.
8V
TP
1
9
VI
D
_
D
A
T
_
Out
9
+3
.3
V
A
G
S
P
I[3
:0
]
PC
LK
R
1
8
22R
C2
6
1u
T
P20
13. V
ia s
iz
e
tes
t poi
nts
s
houl
d
b
e as
c
lo
se
a
s p
o
ss
i
b
le
to the pi
ns
;
AOU
T
_3/4
AU
D
IO_Out
4
AOU
T
_1/2
AU
D
IO_Out
5
VI
D
_
D
A
T
_
Out
8
6. T
he v
a
lue of
the s
e
ri
al
r
e
si
st
or
s on v
i
d
e
o
o
u
tp
u
t p
o
rt
w
ill
b
e
d
et
er
m
ine
d
b
y
b
oar
d
si
g
nal
i
n
te
g
ri
ty
te
st
;
R1
6
2
2
R
R1
7
2
2
R
R1
4
2
2
R
FH
V
F
2
VH
V
F
1
H
HV
F0
GN
D
C2
5
1u
TP
8
Lo
c
k
GN
D
AOU
T
_7/8
AU
D
IO_Out
2
AOU
T
_5/6
AU
D
IO_Out
3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R
N
1
742C
163220
VI
D
_
D
A
T
_
Out
7
C3
1
1u
C3
4
10n
C1
7
10n
C2
7
10n
C1
6
10n
C
4
1
4
7n-470n
C1
5
10n
R1
2
0R
R1
0
0R
C3
0
10n
R2
0R
C1
4
10n
C2
9
10n
C8
10n
R9
1
0R
C2
4
10n
C3
3
10n
R1
1
0R
C1
3
10n
C3
5
10n
C1
2
10n
C3
2
10n
+
1
.2VA
C2
8
10n
C1
1
10n
A_GN
D
A_GN
D
VC
C
_3.
3V
GN
D
GN
D
VC
C
_3.
3V
+1
.2
V
GN
D
GN
D
+
1
.2VA
+
3
.3VA
IO_VD
D
+1
.2
V
R2
0
2
2
R
TI
M8
6
1
Pin _
c
tr
l10
VI
D
_
D
A
T
_
Out
6
LB
_C
O
N
T S
e
tt
in
g
s:
VI
D
_
D
A
T
_
Out
1
9
Da
ta
E
rr
o
r
R2
2
2
2
R
SM
PT
E_BY
PASS
b
Pin _
c
tr
l9
AM
C
L
K
A
U
D
IO
_Out
6
3. P
o
w
e
r
c
ons
um
pti
o
n:
2. D
N
P
(D
o N
o
t P
o
pul
a
te
);
217
+
1
.2
V
+
3.
3V
75
GS2970_1
No
te
s:
De
v
i
c
e
0
GS2978
51
SD
I I
nput
C4
2
1
u
1. T
h
is
b
oar
d
i
s G
S2960/1
c
om
pati
b
le
;
217m
A
To
ta
l
191m
A
C1
0
1u
D
VB_ASI
Pin _
c
tr
l8
VI
D
_
D
A
T
_
Out
5
SD
O
SD
O
SD
O
SD
O
